package net.minecraft.entity.ai;

import net.minecraft.entity.monster.EntityIronGolem;
import net.minecraft.entity.passive.EntityVillager;

public class EntityAILookAtVillager extends EntityAIBase {
	private EntityIronGolem theGolem;
	private EntityVillager theVillager;
	private int lookTime;

	public EntityAILookAtVillager(EntityIronGolem theGolemIn) {
		this.theGolem = theGolemIn;
		this.setMutexBits(3);
	}

	/**
	 * Returns whether the EntityAIBase should begin execution.
	 */
	public boolean shouldExecute() {
		if (!this.theGolem.worldObj.isDaytime()) {
			return false;
		} else if (this.theGolem.getRNG().nextInt(8000) != 0) {
			return false;
		} else {
			this.theVillager = (EntityVillager) this.theGolem.worldObj.findNearestEntityWithinAABB(EntityVillager.class,
					this.theGolem.getEntityBoundingBox().expand(6.0D, 2.0D, 6.0D), this.theGolem);
			return this.theVillager != null;
		}
	}

	/**
	 * Returns whether an in-progress EntityAIBase should continue executing
	 */
	public boolean continueExecuting() {
		return this.lookTime > 0;
	}

	/**
	 * Execute a one shot task or start executing a continuous task
	 */
	public void startExecuting() {
		this.lookTime = 400;
		this.theGolem.setHoldingRose(true);
	}

	/**
	 * Resets the task
	 */
	public void resetTask() {
		this.theGolem.setHoldingRose(false);
		this.theVillager = null;
	}

	/**
	 * Updates the task
	 */
	public void updateTask() {
		this.theGolem.getLookHelper().setLookPositionWithEntity(this.theVillager, 30.0F, 30.0F);
		--this.lookTime;
	}
}
